@Override
  public boolean onTouchEvent(MotionEvent event) {
    float x = event.getX() - CENTER_X;
    float y = event.getY() - CENTER_Y;
    boolean inCenter = java.lang.Math.sqrt(x * x + y * y) <= CENTER_RADIUS;

    switch (event.getAction()) {
      case MotionEvent.ACTION_DOWN:
      case MotionEvent.ACTION_MOVE:
        if (!inCenter) {
          float angle = (float) java.lang.Math.atan2(y, x);
          // need to turn angle [-PI ... PI] into unit [0....1]
          float unit = angle / (2 * PI);
          if (unit < 0) {
            unit += 1;
          }
          int color = interpColor(mColors, unit);
          mCenterPaint.setColor(color);
          this.setColor(color);
          invalidate();
        }
        break;
    }
    return true;
  }
 public void leafLayer(int cx, int cy, int cz, int width) {
   for (int x = Math.max(0, cx - width); x < Math.min(m_width, cx + width); x++) {
     for (int y = Math.max(0, cy - width); y < Math.min(m_height, cy + width); y++) {
       m_blocks[x][y][cz] = BlockConstants.LEAVES;
     }
   }
 }
Exemple #3
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 public Complex powi(float p) {
   float magnew = (float) Math.pow((double) abs(), (double) p);
   float phasenew = arg() * p;
   re = magnew * (float) Math.cos(phasenew);
   im = magnew * (float) Math.sin(phasenew);
   return this;
 }
Exemple #4
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  /* Operador de Mutacion Uniforme */
  void Mutacion_Uniforme() {
    int posiciones, i, j;
    double m;

    posiciones = n_genes * long_poblacion;

    if (prob_mutacion > 0) {
      while (Mu_next < posiciones) {
        /* we determinate the chromosome and the gene */
        i = Mu_next / n_genes;
        j = Mu_next % n_genes;

        /* we mutate the gene */
        if (New[i].Gene[j] == '0') New[i].Gene[j] = '1';
        else New[i].Gene[j] = '0';

        New[i].n_e = 1;

        /* we calculate the next position */
        if (prob_mutacion < 1) {
          m = Randomize.Rand();
          Mu_next += (int) (Math.log(m) / Math.log(1.0 - prob_mutacion)) + 1;
        } else Mu_next += 1;
      }
    }

    Mu_next -= posiciones;
  }
 private void averageArea(int sx, int sy, int radius) {
   for (int x = Math.max(0, sx - radius); x < Math.min(m_width, sx + radius); x++) {
     for (int y = Math.max(0, sy - radius); y < Math.min(m_height, sy + radius); y++) {
       m_contour[x][y] = (m_contour[sx][sy] + m_contour[x][y]) / 2;
     }
   }
 }
 public boolean seen(int stimVal, double threshold, int numPresentations, int x, int y) {
   int falseResponse = checkFalseResponse();
   if (falseResponse == +1) return true;
   if (falseResponse == -1) return false;
   double hensonStdDev = Math.min(Math.exp(m_a * threshold + m_b), 5.0);
   return GaussianSeen(stimVal, threshold, numPresentations, hensonStdDev);
 }
Exemple #7
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 @Override
 public void handleCommand(InsteonPLMBindingConfig conf, Command cmd, InsteonDevice dev) {
   try {
     if (cmd == OnOffType.ON) {
       Msg m = dev.makeStandardMessage((byte) 0x0f, (byte) 0x11, (byte) 0xff);
       dev.enqueueMessage(m, m_feature);
       logger.info("{}: sent msg to switch {} on", nm(), dev.getAddress());
     } else if (cmd == OnOffType.OFF) {
       Msg m = dev.makeStandardMessage((byte) 0x0f, (byte) 0x13, (byte) 0x00);
       dev.enqueueMessage(m, m_feature);
       logger.info("{}: sent msg to switch {} off", nm(), dev.getAddress());
     }
     // This used to be configurable, but was made static to make
     // the architecture of the binding cleaner.
     int delay = 2000;
     delay = Math.max(1000, delay);
     delay = Math.min(10000, delay);
     Timer timer = new Timer();
     timer.schedule(
         new TimerTask() {
           @Override
           public void run() {
             Msg m = m_feature.makePollMsg();
             InsteonDevice dev = m_feature.getDevice();
             if (m != null) dev.enqueueMessage(m, m_feature);
           }
         },
         delay);
   } catch (IOException e) {
     logger.error("{}: command send i/o error: ", nm(), e);
   } catch (FieldException e) {
     logger.error("{}: command send message creation error: ", nm(), e);
   }
 }
Exemple #8
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  /** Inicialization of the population */
  public void Initialize() {
    int i, j;

    last = (int) ((prob_cruce * long_poblacion) - 0.5);

    Trials = 0;

    if (prob_mutacion < 1.0) {
      Mu_next = (int) (Math.log(Randomize.Rand()) / Math.log(1.0 - prob_mutacion));
      Mu_next++;
    } else {
      Mu_next = 1;
    }

    for (j = 0; j < n_genes; j++) {
      New[0].GeneSel[j] = '1';
    }
    New[0].n_e = 1;

    for (i = 1; i < long_poblacion; i++) {
      for (j = 0; j < n_genes; j++) {
        if (Randomize.RandintClosed(0, 1) == 0) {
          New[i].GeneSel[j] = '0';
        } else {
          New[i].GeneSel[j] = '1';
        }
      }

      New[i].n_e = 1;
    }
  }
Exemple #9
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  @Override
  public void evaluate(Solution solution) {
    double[] theta = new double[numberOfObjectives - 1];

    double[] f = new double[numberOfObjectives];
    double[] x = EncodingUtils.getReal(solution);

    int k = numberOfVariables - numberOfObjectives + 1;

    double g = 0.0;
    for (int i = numberOfVariables - k; i < numberOfVariables; i++) {
      g += java.lang.Math.pow(x[i], 0.1);
    }

    double t = java.lang.Math.PI / (4.0 * (1.0 + g));
    theta[0] = x[0] * java.lang.Math.PI / 2;
    for (int i = 1; i < (numberOfObjectives - 1); i++) {
      theta[i] = t * (1.0 + 2.0 * g * x[i]);
    }

    for (int i = 0; i < numberOfObjectives; i++) {
      f[i] = 1.0 + g;

      for (int j = 0; j < numberOfObjectives - (i + 1); j++) {
        f[i] *= java.lang.Math.cos(theta[j]);
      }
      if (i != 0) {
        int aux = numberOfObjectives - (i + 1);
        f[i] *= java.lang.Math.sin(theta[aux]);
      }

      solution.setObjective(i, f[i]);
    }
  }
Exemple #10
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  @Override
  public void onClick(View v) {
    if ((Math.abs(freeX - myX) == 1 && freeY == myY)
        || (Math.abs(freeY - myY) == 1 && freeX == myX)) {
      exchange(myX, myY);

      myActivity
          .getResult()
          .setText(String.valueOf(Integer.parseInt((String) myActivity.getResult().getText()) + 1));

      if (freeY == DIMENSION - 1 && freeX == DIMENSION - 1) {
        boolean isSorted = true;
        for (int i = 0; i < DIMENSION * DIMENSION - 1; ++i) {
          if (!((Button) myAdapter.getItem(i)).getText().equals(String.valueOf(i + 1))) {
            isSorted = false;
            break;
          }
        }
        if (isSorted) {
          Intent intent = new Intent(myActivity, GiveName.class);
          myActivity.startActivityForResult(intent, 1);
        }
      }
    }
  }
  /** Расчет результата */
  public void calculation() {

    if (mathOperation.getTypeMathOperation() == TypeMathOperation.ADD) {
      lastResult = firstNumber + secondNumber;
    } else if (mathOperation.getTypeMathOperation() == TypeMathOperation.SUB) {
      lastResult = firstNumber - secondNumber;
    } else if (mathOperation.getTypeMathOperation() == TypeMathOperation.MUL) {
      lastResult = firstNumber * secondNumber;
    } else if (mathOperation.getTypeMathOperation() == TypeMathOperation.DIV) {

      // try {
      lastResult = firstNumber / secondNumber;
      // } catch (ArithmeticException rte){

      //    lastResult = 0;
      //    textMessage = "div by ZERO";
      //    changed();
      //    return;
      // }

    } else if (mathOperation.getTypeMathOperation() == TypeMathOperation.MRC) {
      mrc = lastResult;
    } else if (mathOperation.getTypeMathOperation() == TypeMathOperation.COS) {
      lastResult = (float) Math.cos(firstNumber);
    } else if (mathOperation.getTypeMathOperation() == TypeMathOperation.SIN) {
      lastResult = (float) Math.sin(firstNumber);
    } else if (mathOperation.getTypeMathOperation() == TypeMathOperation.TG) {
      lastResult = (float) Math.tan(firstNumber);
    } else if (mathOperation.getTypeMathOperation() == TypeMathOperation.CT) {
      lastResult = (float) 1 / ((float) Math.tan(firstNumber));
    }

    textMessage = "Result: " + String.valueOf(lastResult);
    changed();
  }
 /**
  * Perform the mutation operation
  *
  * @param probability Mutation probability
  * @param solution The solution to mutate
  * @throws JMException
  */
 public void doMutation(double probability, Solution solution) throws JMException {
   double rnd, delta1, delta2, mut_pow, deltaq;
   double y, yl, yu, val, xy;
   XReal x = new XReal(solution);
   for (int var = 0; var < solution.numberOfVariables(); var++) {
     if (PseudoRandom.randDouble() <= probability) {
       y = x.getValue(var);
       yl = x.getLowerBound(var);
       yu = x.getUpperBound(var);
       delta1 = (y - yl) / (yu - yl);
       delta2 = (yu - y) / (yu - yl);
       rnd = PseudoRandom.randDouble();
       mut_pow = 1.0 / (eta_m_ + 1.0);
       if (rnd <= 0.5) {
         xy = 1.0 - delta1;
         val = 2.0 * rnd + (1.0 - 2.0 * rnd) * (Math.pow(xy, (eta_m_ + 1.0)));
         deltaq = java.lang.Math.pow(val, mut_pow) - 1.0;
       } else {
         xy = 1.0 - delta2;
         val = 2.0 * (1.0 - rnd) + 2.0 * (rnd - 0.5) * (java.lang.Math.pow(xy, (eta_m_ + 1.0)));
         deltaq = 1.0 - (java.lang.Math.pow(val, mut_pow));
       }
       y = y + deltaq * (yu - yl);
       if (y < yl) y = yl;
       if (y > yu) y = yu;
       x.setValue(var, y);
     }
   } // for
 } // doMutation
Exemple #13
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  /**
   * Convert a year, month, and day of month to a julian date
   *
   * @param year The year - it will be satitizedYear()
   * @param month The month
   * @param day The day of the month.
   * @return the julian day
   */
  public static int toJulian(int year, int month, int day) {

    int julianYear = sanitizeYear(year);
    if (year < 0) julianYear++;
    int julianMonth = month;
    if (month > 2) {
      julianMonth++;
    } else {
      julianYear--;
      julianMonth += 13;
    }

    double julian =
        (java.lang.Math.floor(365.25 * julianYear)
            + java.lang.Math.floor(30.6001 * julianMonth)
            + day
            + 1720995.0);

    if (day + 31 * (month + 12 * year) >= JGREG) {
      // change over to Gregorian calendar
      int ja = (int) (0.01 * julianYear);
      julian += 2 - ja + (0.25 * ja);
    }
    return (int) (java.lang.Math.floor(julian) + .000001);
  }
  public int getWrongTwo() {
    int wrongTwo = (int) (Math.random() * (Math.pow(2, bits)));
    while (wrongTwo == answer || wrongTwo == wrongOne)
      wrongOne = (int) (Math.random() * (Math.pow(2, bits)));

    return wrongTwo;
  }
Exemple #15
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  @Override
  public void update(GameContainer gc, StateBasedGame sb, int delta) {

    float rotation = owner.getRotation();
    float scale = owner.getScale();
    Vector2f position = owner.getPosition();

    Input input = gc.getInput();

    if (input.isKeyDown(Input.KEY_LEFT)) {
      rotation += -0.2f * delta;
    }

    if (input.isKeyDown(Input.KEY_RIGHT)) {
      rotation += 0.2f * delta;
    }

    if (input.isKeyDown(Input.KEY_UP)) {
      float hip = 0.45f * delta;

      position.x += hip * java.lang.Math.sin(java.lang.Math.toRadians(rotation));
      position.y -= hip * java.lang.Math.cos(java.lang.Math.toRadians(rotation));
    }

    owner.setPosition(position);
    owner.setRotation(rotation);
    owner.setScale(scale);
  }
  // 檢查其子節點並做符號的標示
  public static String checkChild(int[][] tmp, int i, int j, int N, int T, int counter) {
    int testtest = 0;
    String test = "";

    // first & child checking
    // check if they are greater than T
    if ((Math.abs(tmp[2 * i][j * 2]) < T)
        && (Math.abs(tmp[2 * i + 1][j * 2]) < T)
        && (Math.abs(tmp[2 * i][j * 2 + 1]) < T)
        && (Math.abs(tmp[2 * i + 1][j * 2 + 1]) < T)) {
      if (counter == 1) {
        i = 2 * i;
        j = 2 * j;
        for (int r = 0; r < 4; r++) {
          for (int s = 0; s < 4; s++) {
            if (Math.abs(tmp[2 * i + r][j * 2 + s]) > T) {
              testtest++;
              // IdxTable[2*i+r][j*2+s] = 1;
            }
            // else IdxTable[2*i+r][j*2+s] = 0;
          }
        }

        if ((testtest == 0) || (counter == 2)) test = "0";
        else test = "1";
      } // end if counter ==1
    } else test = "1";

    return test;
  }
Exemple #17
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 private static double nextRandom() {
   int pos = (int) (java.lang.Math.random() * BUFFER_SIZE);
   if (pos == BUFFER_SIZE) pos = BUFFER_SIZE - 1;
   double r = buffer[pos];
   buffer[pos] = java.lang.Math.random();
   return r;
 }
  // These x y values correspond to the x y values of the corners of tiles
  // get the interpolated height on the map
  public float getTerrainHeight(float x, float y) {
    // first find what corner it is
    int ix = Math.round(x * DENSITY);
    int iy = Math.round(y * DENSITY);

    // clip the coordinates
    if (ix < 0 || ix >= mapWidth) {
      return 0.0f;
    } else if (iy < 0 || iy >= mapHeight) {
      return 0.0f;
    }

    // we are in the center
    /*Vector3f v1 = new Vector3f(), v2 = new Vector3f();
    v1.sub(points[iy][ix + 1], points[iy][ix]);
    v2.sub(points[iy + 1][ix], points[iy][ix]);
    float dx = x - ix;
    float dy = y - iy;
    v1.scale(dx);
    v2.scale(dy);
    v1.add(v1, v2);
    v1.add(points[iy][ix], v1);
    return v1.y;*/

    float terrainHeight = vertices[(iy * (mapWidth) + ix) * 3 + 1]; // 1 for y

    return terrainHeight;
  }
Exemple #19
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  /**
   * Perform a great circle (spherical linear) interpolation between this quaternion and the
   * quaternion parameter.
   *
   * @param q The other quaternion.
   * @param alpha The interpolation parameter from the interval [0, 1].
   * @return The interpolated quaternion.
   */
  public final Quaternion interpolate(Quaternion q, float alpha) {
    // From "Advanced Animation and Rendering Techniques"
    // by Watt and Watt pg. 364, function as implemented appeared to be
    // incorrect. Fails to choose the same quaternion for the float
    // covering. Resulting in change of direction for rotations.
    // Fixed function to negate the first quaternion in the case that the
    // dot product of q and this is negative. Second case was not needed.
    float dot, s1, s2, om, sinom;

    dot = x * q.x + y * q.y + z * q.z + w * q.w;

    if (dot < 0) {
      q = q.negate();
      dot = -dot;
    }

    if ((1.0 - dot) > EPS) {
      om = (float) Math.acos(dot);
      sinom = (float) Math.sin(om);
      s1 = (float) Math.sin((1.0 - alpha) * om) / sinom;
      s2 = (float) Math.sin(alpha * om) / sinom;
    } else {
      s1 = 1.0f - alpha;
      s2 = alpha;
    }

    return new Quaternion(
        s1 * w + s2 * q.w, s1 * x + s2 * q.x, s1 * y + s2 * q.y, s1 * z + s2 * q.z);
  }
  // Right from Monty's code
  public static String newCrypt(String password, String seed) {
    byte b;
    double d;

    if ((password == null) || (password.length() == 0)) {
      return password;
    }

    long[] pw = newHash(seed);
    long[] msg = newHash(password);
    long max = 0x3fffffffL;
    long seed1 = (pw[0] ^ msg[0]) % max;
    long seed2 = (pw[1] ^ msg[1]) % max;
    char[] chars = new char[seed.length()];

    for (int i = 0; i < seed.length(); i++) {
      seed1 = ((seed1 * 3) + seed2) % max;
      seed2 = (seed1 + seed2 + 33) % max;
      d = (double) seed1 / (double) max;
      b = (byte) java.lang.Math.floor((d * 31) + 64);
      chars[i] = (char) b;
    }

    seed1 = ((seed1 * 3) + seed2) % max;
    seed2 = (seed1 + seed2 + 33) % max;
    d = (double) seed1 / (double) max;
    b = (byte) java.lang.Math.floor(d * 31);

    for (int i = 0; i < seed.length(); i++) {
      chars[i] ^= (char) b;
    }

    return new String(chars);
  }
Exemple #21
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 public GpsDevice() {
   m_latitude = new Measurement(java.lang.Math.toRadians(0), Unit.rad);
   m_longitude = new Measurement(java.lang.Math.toRadians(0), Unit.rad);
   m_altitude = new Measurement(0, Unit.m);
   m_speed = new Measurement(0, Unit.m_s);
   m_track = new Measurement(java.lang.Math.toRadians(0), Unit.rad);
 }
Exemple #22
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  private static Map<String, Integer> computeColumnWidths(
      final Iterable<CamelContext> camelContexts) throws Exception {
    if (camelContexts == null) {
      throw new IllegalArgumentException(
          "Unable to determine column widths from null Iterable<CamelContext>");
    } else {
      int maxNameLen = 0;
      int maxStatusLen = 0;
      int maxUptimeLen = 0;

      for (final CamelContext camelContext : camelContexts) {
        final String name = camelContext.getName();
        maxNameLen = java.lang.Math.max(maxNameLen, name == null ? 0 : name.length());

        final String status = camelContext.getStatus().toString();
        maxStatusLen = java.lang.Math.max(maxStatusLen, status == null ? 0 : status.length());

        final String uptime = camelContext.getUptime();
        maxUptimeLen = java.lang.Math.max(maxUptimeLen, uptime == null ? 0 : uptime.length());
      }

      final Map<String, Integer> retval = new Hashtable<String, Integer>(3);
      retval.put(NAME_COLUMN_LABEL, maxNameLen);
      retval.put(STATUS_COLUMN_LABEL, maxStatusLen);
      retval.put(UPTIME_COLUMN_LABEL, maxUptimeLen);

      return retval;
    }
  }
 public void applyContour() {
   int maxHeight = 1;
   for (int x = 0; x < m_width; x++) {
     for (int y = 0; y < m_height; y++) {
       if (m_contour[x][y] > maxHeight) maxHeight = m_contour[x][y];
     }
   }
   m_logger.debug("Applying contour");
   for (int x = 0; x < m_width; x++) {
     for (int y = 0; y < m_height; y++) {
       int h = Math.max(0, Math.min(m_depth - 1, (m_depth / 2) + m_contour[x][y]));
       // int d = m_random.nextInt(8) - 4;
       for (int z = 0; z < m_depth; z++) {
         int type = BlockConstants.AIR;
         if (z >= h && z < m_depth / 2 - 1) {
           type = BlockConstants.WATER;
         } else if (z >= h) {
           type = BlockConstants.AIR;
         } else if (z == (h - 1)) {
           type = BlockConstants.GRASS;
         } else if (z < (h - 1) && z > (h - 5)) {
           type = BlockConstants.DIRT;
         } else if (z <= (h - 5)) {
           type = BlockConstants.ROCK;
         }
         m_blocks[x][y][z] = (byte) type;
       }
     }
   }
 }
Exemple #24
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  /**
   * Returns the correlation coefficient of two double vectors.
   *
   * @param y1 double vector 1
   * @param y2 double vector 2
   * @param n the length of two double vectors
   * @return the correlation coefficient
   */
  public static final double correlation(double y1[], double y2[], int n) {

    int i;
    double av1 = 0.0, av2 = 0.0, y11 = 0.0, y22 = 0.0, y12 = 0.0, c;

    if (n <= 1) {
      return 1.0;
    }
    for (i = 0; i < n; i++) {
      av1 += y1[i];
      av2 += y2[i];
    }
    av1 /= (double) n;
    av2 /= (double) n;
    for (i = 0; i < n; i++) {
      y11 += (y1[i] - av1) * (y1[i] - av1);
      y22 += (y2[i] - av2) * (y2[i] - av2);
      y12 += (y1[i] - av1) * (y2[i] - av2);
    }
    if (y11 * y22 == 0.0) {
      c = 1.0;
    } else {
      c = y12 / Math.sqrt(Math.abs(y11 * y22));
    }

    return c;
  }
 public void plantTrees() {
   ArrayList<Position> treeList = new ArrayList<Position>();
   for (int x = 0; x < m_width; x++) {
     for (int y = 0; y < m_height; y++) {
       boolean tooClose = false;
       for (Position p : treeList) {
         double distance = Math.sqrt(Math.pow(p.getX() - x, 2) + Math.pow(p.getY() - y, 2));
         if (distance < 30) tooClose = true;
       }
       if (!tooClose) {
         if (m_random.nextInt(100) <= 5) {
           for (int z = m_depth - 1; z > 0; z--) {
             if ((m_blocks[x][y][z] == BlockConstants.DIRT
                     || m_blocks[x][y][z] == BlockConstants.GRASS)
                 && m_blocks[x][y][z + 1] == BlockConstants.AIR) {
               plantTree(x, y, z);
               treeList.add(new Position(x, y, z));
               break;
             } else if (z < m_depth - 1 && m_blocks[x][y][z + 1] != BlockConstants.AIR) {
               break;
             }
           }
         }
       }
     }
   }
 }
Exemple #26
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 public double distanciaEuclidiana(int x1, int x2, int y1, int y2) {
   double a, b, c;
   a = Math.pow(x2 - x1, 2);
   b = Math.pow(y2 - y1, 2);
   c = Math.sqrt(a + b);
   return (c);
 }
Exemple #27
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  /**
   * check if the given position collides with the flashlight.
   *
   * @param point
   * @return
   */
  public boolean flashlightCollision(Point2D point) {

    flY23 = flY2 - flY3;
    flX32 = flX3 - flX2;
    flY31 = flY3 - flY1;
    flX13 = flX1 - flX3;
    flDet = flY23 * flX13 - flX32 * flY31;
    flMinD = Math.min(flDet, 0);
    flMaxD = Math.max(flDet, 0);

    double x = point.getX();
    double y = point.getY();
    double dx = x - flX3;
    double dy = y - flY3;
    double a = flY23 * dx + flX32 * dy;
    if (a < flMinD || a > flMaxD) {
      return false;
    }
    double b = flY31 * dx + flX13 * dy;
    if (b < flMinD || b > flMaxD) {
      return false;
    }
    double c = flDet - a - b;
    return !(c < flMinD || c > flMaxD);
  }
Exemple #28
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  // ************************************
  public static void initWeights() {

    for (int j = 0; j < numHidden; j++) {
      weightsHO[j] = (Math.random() - 0.5) / 2;
      for (int i = 0; i < numInputs; i++) weightsIH[i][j] = (Math.random() - 0.5) / 5;
    }
  }
Exemple #29
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  /**
   * Evaluates a solution
   *
   * @param solution The solution to evaluate
   * @throws JMException
   */
  public void evaluate(Solution solution) throws JMException {
    DecisionVariables gen = solution.getDecisionVariables();

    double[] x = new double[numberOfVariables_];
    double[] f = new double[numberOfObjectives_];
    double[] theta = new double[numberOfObjectives_ - 1];
    int k = numberOfVariables_ - numberOfObjectives_ + 1;

    for (int i = 0; i < numberOfVariables_; i++) x[i] = gen.variables_[i].getValue();

    double g = 0.0;
    for (int i = numberOfVariables_ - k; i < numberOfVariables_; i++)
      g += java.lang.Math.pow(x[i], 0.1);

    double t = java.lang.Math.PI / (4.0 * (1.0 + g));
    theta[0] = x[0] * java.lang.Math.PI / 2;
    for (int i = 1; i < (numberOfObjectives_ - 1); i++) theta[i] = t * (1.0 + 2.0 * g * x[i]);

    for (int i = 0; i < numberOfObjectives_; i++) f[i] = 1.0 + g;

    for (int i = 0; i < numberOfObjectives_; i++) {
      for (int j = 0; j < numberOfObjectives_ - (i + 1); j++) f[i] *= java.lang.Math.cos(theta[j]);
      if (i != 0) {
        int aux = numberOfObjectives_ - (i + 1);
        f[i] *= java.lang.Math.sin(theta[aux]);
      } // if
    } // for

    for (int i = 0; i < numberOfObjectives_; i++) solution.setObjective(i, f[i]);
  } // evaluate
 @Override
 public double predict(Example example) throws OperatorException {
   int i = 0;
   double distance = intercept;
   // using kernel for distance calculation
   double[] values = new double[example.getAttributes().size()];
   for (Attribute currentAttribute : example.getAttributes()) {
     values[i] = example.getValue(currentAttribute);
     i++;
   }
   distance += kernel.calculateDistance(values, coefficients);
   if (getLabel().isNominal()) {
     int positiveMapping = getLabel().getMapping().mapString(classPositive);
     int negativeMapping = getLabel().getMapping().mapString(classNegative);
     boolean isApplying = example.getAttributes().getPredictedLabel() != null;
     if (isApplying) {
       example.setConfidence(classPositive, 1.0d / (1.0d + java.lang.Math.exp(-distance)));
       example.setConfidence(classNegative, 1.0d / (1.0d + java.lang.Math.exp(distance)));
     }
     if (distance < 0) {
       return negativeMapping;
     } else {
       return positiveMapping;
     }
   } else {
     return distance;
   }
 }